Drug stocks advance; Dynavax retrenches

ValBrickates Kennedy

BOSTON (MarketWatch) -- Drug stocks advanced in early trading Friday as shares of Dynavax Technologies Corp.
DVAX, -3.12%
retrenched a day after its shares soared over 50% on positive news for its hepatitis B vaccine candidate. The NYSE Arca Pharmaceutical Index
$drg
and the NYSE Arca Biotechnology Index
$btk
were both up marginally at 284.71 and 937.68, respectively. Shares of Dynavax were down 11% at $2.27.

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